Fluid flow regulator



FIG. 1 is a top perspective elevational view of the present fluid flow regulator;

FIG. 2 is a front and side view of the fluid flow regulator of FIG. 1, the rear and opposite side views being identical;

FIG. 3 is a top view of the fluid flow regulator of FIG. 1; and,

FIG. 4 is a bottom view of same. 

The ornamental design for a fluid flow regulator, as shown and described. 